Well the male bird is a dominant (long beak) and the female is a recessive(small beak.) we can assume that the female birds genotype is ii and the male birds genotype is LL or Li. When it comes to the offspring we can assume that the offspring would have a long beak. The offspring would either have the dominant (father) genes.
It is adenosine triphosphate(ATP) :)
Children can be 1/2 Ai or 1/2 Bi
B. 25% because Bb x Bb= Bb, Bb, Bb, and bb. The only one that will actually show the red feathers is the completely receive one: bb. This is only 1/4 which equals 25%